| 1 | The detention of two American television journalists by North Korea injects another combustible element. | |
| 2 | Immediately clean up spilled medicines, drugs, flammable liquids, and other potentially hazardous materials. | |
| 3 | The management of warehouses storing inflammable goods must be in execution of relevant state regulations on fire control safety. | |
| 4 | Since hydrogen gas is extremely combustible, when enough hydrogen gas is mixed with air, it reacts with oxygen. | |
| 5 | "It's really great for places where you need power but don't want anything combustible, " he said. |
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